package org.advanced;

/**
 * @author John.zhang
 * @version Id: IHelloService, v 1.0 2020/12/14 17:08 ZhiYong Exp $
 */
public interface IHelloService {

    /**
     * sayHello
     * @param content
     * @return
     */
    String sayHello(String content);

}
